According to the buddha, the way to wisdom, enlightenment, and salvation is by following
a. nirvana
c. the vedas
b. the tree of wisdom
d. the eightfold path

According to Buddha, the only way to wisdom would be through and following nirvana - a.

When we're following the teaching of nirvana we will achieve it in the end and will be able to lead a better life. This is, however, not without years of training.

Food, umbrellas, curtains, face-wash, and other items, etc.